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Finding the Fourth Proportional to 48,666.56, 67,166.88 and 45,664.52

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Solution

The fourth proportional to 48,666.56, 67,166.88 and 45,664.52 is: 63,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.56 : 67,166.88 = 45,664.52 : x
  2. Step 2: Convert to fraction form
    48,666.56/67,166.88 = 45,664.52/x
  3. Step 3: Cross multiply
    48,666.56x = 67,166.88 × 45,664.52
  4. Step 4: Simplify right side
    48,666.56x = 3,067,143,335.10
  5. Step 5: Solve for x
    x = 3,067,143,335.10/48,666.56
  6. Step 6: Final answer
    x = 63,023.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.